MESON Chess Problem Database
Problem Display
PID: 95068 (3R4/4B3/2P1P2r/1qp1k2P/2b1N1B1/p2p2K1/3NP1n1/6Q1 w - - 0 1)
Vlcek, Peter
Pravda, 2001
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.Qa1#
- 1...Qa6
- 2.Qa1#
- 1...Qxc6
- 2.Qa1#
- 1...Rxh5
- 2.Bf6#
- 1...Rf6
- 2.Bxf6#
- 1...Rh7
- 2.Bf6#
- 1...Rh8
- 2.Bf6#
- 1...Bb3
- 2.Qa1#
- 1...Bd5
- 2.Bd6#
- 1...Qa4
- Tries
- 1.Sxc4+?
- 1...Kxe4
- 2.Qxg2#
- 2.exd3#
- 1...Qxc4!
- 1...Kxe4
- 1.Sxc5?
- threat
- 2.Sf3#
- 2.Qd4#
- 1...Qxc6
- 2.Sxc4#
- 2.Qd4#
- 2.Qa1#
- 1...Qb2
- 2.Sf3#
- 2.Sxc4#
- 1...Rf6
- 2.Qd4#
- 1...Bd5
- 2.Sd7#
- 1...Se1
- 2.Qe3#
- 2.Qd4#
- 1...Se3
- 2.Sf3#
- 2.Qxe3#
- 1...Sh4
- 2.Qe3#
- 2.Qd4#
- 1...Qxc5!
- threat
- 1.Sg5?
- threat
- 2.Sdf3#
- 2.Sgf3#
- 2.Sf7#
- 1...Qxc6
- 2.Sxc4#
- 2.Sf7#
- 2.Qa1#
- 1...Bxe6
- 2.Sdf3#
- 2.Sgf3#
- 1...Rh7
- 2.Sdf3#
- 2.Sgf3#
- 1...Bd5
- 2.Sf7#
- 1...Se1
- 2.Sf7#
- 2.Qe3#
- 1...Sh4
- 2.Sf7#
- 2.Qe3#
- 1...Rf6!
- threat
- 1.Sf6?
- threat
- 2.Sf3#
- 1...Qxc6
- 2.Sxc4#
- 2.Qa1#
- 1...Bd5
- 2.Sd7#
- 2.Rxd5#
- 1...Se1
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Rxf6!
- threat
- 1.Rd4?
- threat
- 2.Sf3#
- 2.Bd6#
- 1...Qxc6
- 2.Sf3#
- 2.Sxc4#
- 1...Rxe6
- 2.Sf3#
- 1...Se3
- 2.Sf3#
- 1...Rf6
- 2.Bd6#
- 2.Bxf6#
- 1...Qb8
- 2.Sf3#
- 2.Sxc4#
- 1...Se1
- 2.Bd6#
- 1...Sh4
- 2.Bd6#
- 1...cxd4!
- threat
- 1.Rd5+?
- 1...Bxd5
- 2.Bd6#
- 1...Kxd5!
- 1...Bxd5
- 1.Qf2?
- threat
- 2.Qf5#
- 1...Rxh5
- 2.Bf6#
- 2.Qf6#
- 1...Rf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Bd5
- 2.Bd6#
- 1...Se3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sh4
- 2.Qf4#
- 1...Bxe6!
- threat
- 1.Qe3?
- threat
- 2.Sf3#
- 2.Qg5#
- 1...Rxh5
- 2.Sf3#
- 2.Bf6#
- 1...Bxe6
- 2.Sf3#
- 1...Rf6
- 2.Bxf6#
- 1...Rg6
- 2.Sf3#
- 1...Bd5
- 2.Sf3#
- 2.Bd6#
- 1...Se1
- 2.Sf2#
- 2.Sc3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sf6#
- 2.Qf4#
- 2.Qg5#
- 1...Sf4
- 2.Sf3#
- 2.Sf2#
- 2.Sc3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sf6#
- 2.Qxf4#
- 1...Sh4
- 2.Sf2#
- 2.Sc3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sf6#
- 2.Qf4#
- 1...Sxe3!
- threat
- 1.Qxc5+?
- 1...Bd5
- 2.Bd6#
- 2.Rxd5#
- 2.Qc3#
- 1...Qxc5!
- 1...Bd5
- 1.Sxc4+?
- Keys
- 1.Sc3!
- threat
- 2.Sf3#
- 1...Qxc6
- 2.Sxc4#
- 1...Rf6
- 2.Bd6#
- 1...Bd5
- 2.Rxd5#
- 1...Se1
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- Q(e);N_GUARD::QAB(A)
- Q(e);N_GUARD,XP(H)::QAB(A)
- R(h);N_GUARD,XP(G)::B(J)
- R(h);N_GUARD::B(J),XR(h)
- R(h);N_GUARD::B(J)
- B(d);S_CUTQ(e)::QAB(A)
- B(d);SBLOCK::B(J)
- Tries
- Try
- S(B);CHECK,XB(d)
- Refutation
- Q(e);XS(B)
- Try
- S(E);XP(f)
- Threat
- DUALS(2)
- Vars
- R(h);::QAB1(A)
- B(d);SBLOCK::S(E)
- Refutation
- Q(e);XS(E)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- B(d);::S(E)
- Refutation
- R(h);
- Try
- S(E);
- Threat
- S(B)
- Vars
- S(a);N_GUARD::QAR2(A)
- Refutation
- R(h);XS(E)
- Try
- R(K);
- Threat
- DUALS(2)
- Vars
- R(h);XP(I)::S(B)
- S(a);::S(B)
- S(a);::B(J)
- Refutation
- P(f);XR(K)
- Try
- R(K);CHECK
- Vars
- B(d);SBLOCK,XR(K)::B(J)
- Refutation
- K(g);P-FLIGHT,XR(K)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- B(d);SBLOCK::B(J)
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- Refutation
- B(d);XP(I)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(d);XP(I)::S(B)
- R(h);N_GUARD::B(J),XR(h)
- R(h);P_PINB(F)::S(B)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);CHECK,XP(f)
- Refutation
- Q(e);XQ(A)
- Try
- Actual
- S(E);
- Threat
- S(B)
- Vars
- Q(e);N_GUARD,XP(H)::S(B),XB(d)
- R(h);SBLOCK::B(J)
- B(d);N_GUARD::R1(K),XB(d)
- S(a);N_GUARD::QAR2(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).